RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Unit of first order rate constant is

    A) \[mol\,\,L\,\,s\]

    B) \[mo{{l}^{-1}}{{L}^{-1}}{{s}^{-1}}\]

    C) \[mol\,\,{{L}^{-1}}{{s}^{-1}}\]

    D) \[{{s}^{-1}},\,\,{{\min }^{-1}}etc\].

    Correct Answer: D

    Solution :

    The unit of rate constant for nth order reaction is                 \[{{L}^{n-1}}mo{{l}^{1-n}}{{s}^{-1}}\] where, \[n=\]order of reaction For, Ist order reaction                 \[n=1\] Unit of \[k\] is\[{{s}^{-1}}\]or\[{{\min }^{-1}}\].


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